Finding the Fourth Proportional to 2,320,443.57, 3,202,405.02 and 1,288,048.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320,443.57 : 3,202,405.02 = 1,288,048.35 : x
2. Step 2: Convert to fraction form
   2,320,443.57/3,202,405.02 = 1,288,048.35/x
3. Step 3: Cross multiply
   2,320,443.57x = 3,202,405.02 × 1,288,048.35
4. Step 4: Simplify right side
   2,320,443.57x = 4,124,852,502,042.72
5. Step 5: Solve for x
   x = 4,124,852,502,042.72/2,320,443.57
6. Step 6: Final answer
   x = 1,777,613.80